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ASTM M4

M4


M4 material is High-Speed Tool Steel.

Chemical composition of M4, M4 mechanical properties, M4 datasheet, M4 equivalent grade, Heat treatment and temperature process of M4.

  • Tags: M4,

M4 property sheet

M4 Spec.

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Chemical Composition of M4

C: 1.25 1.40
Si: 0.20 0.45
Mn: 0.15 0.40
P: Max 0.030
S: Max 0.030
Cr: 3.75 4.75
Mo: 4.25 5.50
V: 3.75 4.50
W: 5.25 6.50
Co: Max Min

Mechanical Properties of M4

Rp0.2 (MPa) 872 (≥)
Rm (MPa) 789 (≥)
AKV (J) 31
A (%) 11
Z (%) 24
Hardness HBW 131

M4 shape and dimensions

M4 Round bar: 1mm-800mm
M4 Square bar: 10mm * 10mm-600mm *600mm
M4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
M4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
M4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
M4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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